The whole idea is that we, as humans, can think. And so we should. It is ok to have opinions, just as long as you know why you have them. I must be doing something right though, I get ignored by left and right wing posters.
We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.